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At the Institute’s core is the Gilder Lehrman Collection, one of the great archives in American history. More than 85,000 items cover five hundred years of American history, from Columbus’s 1493 letter describing the New World through the end of the twentieth century.

Bache, Alexander Dallas (1806-1867) to Clarence Fendall

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Gilder Lehrman Collection #: GLC03479.32 Author/Creator: Bache, Alexander Dallas (1806-1867) Place Written: Chattanooga, Tennessee Type: Autograph letter signed Date: 4 November 1863 Pagination: 1 p. : docket ; 25.2 x 20.2 cm. Order a Copy

Bache, of the coastal survey, tells Fendall to proceed to Cairo and report to Admiral Porter. Stamp on verso "Exchanged by order Secretary Navy."

Alexander Dallas Bache, American physicist, son of Richard Bache Jr. and Sara Bache, great-grandson of Benjamin Franklin, was born in Philadelphia. After graduating from the United States Military Academy at West Point in 1825, he acted as assistant professor there for some time, and as a lieutenant in the corps of engineers he was engaged for a short time in the erection of coastal fortifications. He occupied the post of professor of natural philosophy and chemistry at the University of Pennsylvania from 1828 to 1841 and again from 1842 to 1843. Additionally, from 1839 to 1842, he served as the first president of Central High School of Philadelphia, the second oldest public high school in the United States. He spent the years 1836 to 1838 in Europe on behalf of the trustees of what, in 1848, was to become Girard College. Abroad, he examined European systems of education and, on his return, published a very valuable report. In 1843, on the death of Ferdinand Rudolph Hassler, he was appointed superintendent of the United States coast survey. He succeeded in impressing the United States Congress with a sense of the great value of this work and by means of the liberal aid it granted, he carried out a singularly comprehensive plan with great ability and most satisfactory results. By a skillful division of labour, and by the erection of numerous observing stations, the mapping out of the whole coast was completed. In addition, a vast mass of magnetic and meteorological data was collected.

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